External Resorption
Mostrando 13-24 de 28 artigos, teses e dissertações.
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13. Efeitos da irradiacao com laser de diodo em dentes de ratos reimplantados tardiamente: analise histometrica / Effects of diode laser irradiation in delayed replanted rat teeth: histometric analysis
Aim: The aim of this study was to evaluate by histometric analysis, the effects of high potency diode laser irradiation in root surfaces of delayed replanted rat teeth. Methods: Sixty Wistar rats were extracted and left on the bench for sixty minutes. Thereafter, the dental papilla was sectioned for pulp removal by a retrograde way, the root canal was prepar
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/08/2010
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14. Comparison between two tomographic sections in the diagnosis of external root resorption
OBJECTIVES: To assess the accuracy of coronal and sagittal CT sections to detect cavities simulating root resorption. MATERIAL AND METHODS: 60 mandibular incisors were embedded in plaster bases, and cavities with 0.6, 1.2 or 1.8 mm in diameter and 0.3, 0.6 or 0.9 mm in depth (small, medium and large cavities) were drilled on the buccal surfaces with high-spe
Journal of Applied Oral Science. Publicado em: 2010-06
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15. Epidemiologic survey of traumatic dental injuries in children seen at the Federal University of Rio de Janeiro, Brazil
This epidemiologic survey aimed at assessing the prevalence of traumatic dental injuries in children seen at the Federal University of Rio de Janeiro, Brazil. The records of a total of 111 children (aged 0 to 6 years) seen from 2004 to 2006 in the dental trauma clinic were surveyed, comprising a total of 201 traumatized primary teeth. Data pertaining to the
Brazilian Oral Research. Publicado em: 2010-03
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16. Associated factors to occurrence of pulp necrosis in traumatized primary incisors / Fatores relacionados à ocorrência de necrose pulpar em incisivos decíduos traumatizados
The purpose of this historical cohort study was to assess dental trauma in primary upper incisors and factors associated with the occurrence of pulp necrosis in traumatized primary upper central incisors. Data was collected by a single examiner through the analysis of photographs, radiographs, and information contained in the clinical files of patients who a
Publicado em: 2010
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17. Effect of image compression on the radiographic diagnosis of external root resorptions = Efeito da compressão da imagem no diagnóstico radiográfico de reabsorções radiculares externas / Efeito da compressão da imagem no diagnóstico radiográfico de reabsorções radiculares externas
Para avaliar o efeito da compressão JPEG sobre o desempenho no diagnóstico radiográfico de reabsorções radiculares externas, 33 incisivos centrais superiores foram montados em um simulador de tecidos e radiografados. Reabsorções radiculares externas de diferentes tamanhos foram simuladas seqüencialmente nas superfícies proximais de cada dente com br
Publicado em: 2010
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18. Evaluation of abutment and perimplantar region deformation of implant-supported screwed prostheses: an study using strain gauges / Avaliação da deformação do intermediário e região perimplantar de próteses implanto-suportada unitárias parafusada: estudo através da extensometria
The dental implant depends on the supporting bone for its stability and functional longevity. Mechanical behavior and trabecular bone structure affect the interface with the implant. Such knowledge may provide a basis for improvements in the current implant function and design, decreasing bone crest resorption and failure at bone-implant junction. Adequate q
Publicado em: 2010
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19. A scanning electron microscopic study of the patterns of external root resorption under different conditions
OBJECTIVE: The aim of this study was to examine if there are qualitative differences in the appearance of external root resorption patterns of primary teeth undergoing physiologic resorption and permanent teeth undergoing pathological root resorption in different conditions. MATERIAL AND METHODS: A total of 40 teeth undergoing external root resorption in dif
Journal of Applied Oral Science. Publicado em: 2009-10
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20. Comparative study between Cone-Beam volumetric tomography and periapical radiographs on helping Endodontic diagnosis / ESTUDO COMPARATIVO ENTRE A TOMOGRAFIA VOLUMÉTRICA CONE-BEAM E RADIOGRAFIAS PERIAPICAIS NO AUXÍLIO AO DIAGNÓSTICO ENDODÔNTICO
This study aimed to analyze and compare volumetric tomography Cone- Beam and periapical examination, by technique of Clark, identifying accidents and endodontic complications, which were simulated, for endodontic interest. Sixteen human teeth from three human jaws were submitted to preparation of 20 changes/injuries in order to simulate situations that can l
Publicado em: 2009
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21. Presença de nódulo pulpar e reabsorção radicular externa em dentes tratados ortodonticamente
Orthodontic treatment, even when properly performed, may cause pulp alterations as calcification and resorption. The purpose of this study is to evaluate the presence of root resorption and pulp nodules in three different techniques of orthodontic treatment: Ricketts Technique (group 1-n=23), Plain Straight Wire (group 2-n=21) and Straight Wire (group 3-n=26
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/07/2008
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22. Qualitative recognition of small external root resorptions radicular through imagem radiography conventional and digital radiography and through computerized tomography / Reconhecimento qualitativo de pequenas reabsorções externas radiculares dentais por meio de imagens radiográficas convencionais, digitais e tomográficas
The purpose of this study was to evaluate in vitro the efficiency of conventional and digital radiography when compared to the computerized tomography (CT) on diagnose of external root resorptions in different root locations. It was used 6 upper teeth: 2 right and left central incisors, 2 right and left lateral incisors, and 2 right and left canines. Simulat
Publicado em: 2008
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23. "Estudo dos efeitos da irradiação com lasers de alta potência e materiais de uso endodôntico em reabsorções radiculares externas simuladas" / Study of the effects of high power laser irradiation and materials for endodontic purpose on simulated external root resorptions
Este estudo avaliou, por meio de cultivo celular e MEV, a capacidade de adesão de fibroblastos e as alterações estruturais ocorridas na superfície dentinária de reabsorções radiculares externas simuladas, após tratamento com hidróxido de cálcio, MTA e/ou radiação com laser de diodo de alta potência e laser Er:YAG. Após a hemisecção das raíze
Publicado em: 2007
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24. Morphology of the cementoenamel junction (CEJ) of deciduous human teeth on scanning electron microscopy (SEM) and the effects of external bleaching / Morfologia da junção amelocementária em dentes decíduos humanos na microscopia eletrônica de varredura e os efeitos da clareação externa
Esthetics is not only important for adults but also for children. External dental bleaching is a feasible and safe alternative of esthetic treatment, as long as performed by the professional under some important required conditions, such as, adequate protection of the teeth and soft tissues, so that risks are as reduced as possible. Since the cementoenamel j
Publicado em: 2006